Rectangular bookcase 60 inches long and 30 inches wide. how long is the diagonal? round to the nearest inch.

What is the number 321,000,000 in scientific notation? also what is the number? ?

Which of the following is the true for f(x) = 5cos

Aplane is flying at 32,500 feet. it needs to rise to 36,000 feet in two stages.• in stage 1, it rises 5% of its initial altitude of 32,500 feet.• in stage 2, it rises at a rate of 125 feet per minute.how many minutes does it take for the plane to rise during stage 2?